Tag: CAD drafting
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Centroid vs. Geometric Center in Structural Steel Shapes: Choosing the Correct Reference
Learn why a steel shape’s centroid may not match its overall geometric center and how that difference affects axes, dimensions, modeling, and detailing.
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Steel Angle Bolt Gage: Heel, Toe, Leg Orientation, and Hole Layout
Learn how steel angle bolt gage relates to the heel, toe, connected leg, hole lines, edge clearance, and reliable shop drawing dimensions.
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Dimensioning Curved Steel Plate Profiles: Radii, Arc Centers, Chords, and Tangent Points
Learn how to define curved steel plate profiles with radii, centers, chords, tangent points, coordinates, and CNC-ready drawing checks.
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Reading Structural Steel Weld Symbols: Arrow Side, Other Side, and Joint Location
Learn how to read structural steel weld symbols, identify arrow-side and other-side welds, and coordinate joint location, extent, and shop drawings.
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Structural Steel Section Views: Cutting Planes, Viewing Direction, and Detailing Clarity
Learn how to create and read structural steel section views, including cutting planes, viewing direction, section identification, material hatching, and CAD coordination.
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HSS Knife-Plate Connections: Slot Geometry, Fit-Up, Welding, and Detailing
Learn how to detail HSS knife-plate connections, including slot geometry, plate alignment, weld access, bolt layout, tolerances, drainage, and CAD checks.
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Single-Line vs. Double-Line Structural Steel Drawings: Representation, Scale, and Detailing
Learn when structural steel members are shown as centerlines, symbolic lines, or full outlines, and how to coordinate dimensions, orientation, and CAD geometry.
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Baseline vs. Chain Dimensioning in Structural Steel Drawings: Controlling Layout and Accumulated Error
Learn when to use baseline, chain, running, and coordinate dimensions for steel members, plates, bolt holes, and connection layouts.
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Fillet Weld Size, Leg Length, and Throat: A Practical Steel Detailing Guide
Learn how fillet weld size, leg length, root, face, and throat relate—and how to show weld geometry clearly in structural steel drawings.
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Steel Channel Orientation: Web Back, Flange Toes, Open Side, and Drawing References
Learn how to identify and document steel channel orientation using the web back, flange toes, open side, work lines, section views, and CAD references.
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Flange Gage in W-Shape Connections: Bolt Lines, Workable Gage, and Detailing Checks
Learn how flange gage controls bolt-line placement on W-shapes and how to check fillets, plate edges, tools, holes, and member substitutions.
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Structural Steel Beam Web Openings: Coordination, Reinforcement, and Detailing
A practical guide to structural steel beam web openings, including terminology, load-path effects, reinforcement concepts, MEP coordination, and CAD detailing.
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